Co-ordinate bond
[建] 配价键
🧩 词语组成解析
[医] 钴(27号元素)
ordinate
['ɔ:dinit]
n. <数>纵坐标;
🗣️ 情景例句
We did?
我们忘了吗？
You'd better go at once, hadn't you?
你最好马上走，不对吗？
My brother has never been abroad before, so he is fending this trip very exciting.
我弟弟以前从未出过国，因此，他觉得这次旅行非常激动人心。